Research Article

Polyvinyl Alcohol Fiber Length Optimization for High Ductility Cementitious Composites with Different Compressive Strength Grades

Figure 6

Curves of the fiber bridging stress versus the crack opening for fiber lengths ranging from 3 mm to 24 mm and the fiber/matrix interfacial bonding strength ranging from 1.0 MPa to 8.0 MPa.
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)